Tuolumne County, California Demographics 2026

Population Overview

Tuolumne County is located in California with a total population of 54,873. It is the 43rd most populous county out of 58 in California.

Age Demographics

The median age in Tuolumne County is 48.8 years. This is 30% higher than the state median of 37.6 years. 11.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Tuolumne County is $72,259. This is 25% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 8% lower. The poverty rate stands at 10.7%. This is 10% lower than the state poverty rate of 12.0%. The unemployment rate is 8.0%. This is 24% higher than the state rate of 6.4%. The median home value is $406,200. Housing costs are 42% lower than the state median of $695,400. The home-value-to-income ratio is 5.6x. 74.2% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Tuolumne County is White (non-Hispanic), making up 78.6% of the population. Hispanic or Latino residents account for 13.2%. The White (non-Hispanic) population is significantly higher than the state average (78.6% vs 34.6%). The Black or African American population (1.6%) is well below the state average of 5.3%. The Hispanic or Latino population (13.2%) is well below the state average of 39.8%. The Asian population (1.3%) is well below the state average of 15.0%.

Education

23.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.5%.